/*
 *
 * Paros and its related class files.
 * 
 * Paros is an HTTP/HTTPS proxy for assessing web application security.
 * Copyright (C) 2003-2005 Chinotec Technologies Company
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the Clarified Artistic License
 * as published by the Free Software Foundation.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * Clarified Artistic License for more details.
 * 
 * You should have received a copy of the Clarified Artistic License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package org.parosproxy.paros.extension.patternsearch;

import java.sql.SQLException;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import javax.swing.JMenuItem;

import org.parosproxy.paros.extension.ExtensionAdaptor;
import org.parosproxy.paros.extension.ExtensionHook;
import org.parosproxy.paros.model.HistoryList;
import org.parosproxy.paros.model.HistoryReference;
import org.parosproxy.paros.model.Session;
import org.parosproxy.paros.network.HttpMalformedHeaderException;
import org.parosproxy.paros.network.HttpMessage;

/**
 * 
 * To change the template for this generated type comment go to Window -
 * Preferences - Java - Code Generation - Code and Comments
 */
public class ExtensionPatternSearch extends ExtensionAdaptor {

	private JMenuItem menuItemPatternSearch = null;
	private HistoryList historyList = null;

	private SearchDialog searchDialog = null;

	/**
     * 
     */
	public ExtensionPatternSearch() {
		super();
		initialize();
	}

	/**
	 * This method initializes this
	 * 
	 * @return void
	 */
	private void initialize() {
		this.setName("ExtensionSearch");

	}

	/**
	 * This method initializes menuItemEncoder
	 * 
	 * @return javax.swing.JMenuItem
	 */
	private JMenuItem getMenuItemPatternSearch() {
		if (menuItemPatternSearch == null) {
			menuItemPatternSearch = new JMenuItem();
			menuItemPatternSearch.setText("Extract Pattern in Session...");
			menuItemPatternSearch
				.addActionListener(new java.awt.event.ActionListener() {
					public void actionPerformed(java.awt.event.ActionEvent e) {
						getSearchDialog().setVisible(true);
					}
			});
		}
		return menuItemPatternSearch;
	}

	public void hook(ExtensionHook extensionHook) {
		super.hook(extensionHook);
		if (getView() != null) {
			extensionHook.getHookMenu().addEditMenuItem(
					getMenuItemPatternSearch());
		}
	}

	/**
	 * This method initializes searchDialog1
	 * 
	 * @return org.parosproxy.paros.extension.patternsearch.SearchDialog
	 */
	private SearchDialog getSearchDialog() {
		if (searchDialog == null) {
			searchDialog = new SearchDialog(getView().getMainFrame(), false);
			searchDialog.setExt(this);
			searchDialog.setView(getView());
			searchDialog.setSize(640, 480);
		}
		return searchDialog;
	}

	public HistoryList getHistoryList() {
		if (historyList == null) {
			historyList = new HistoryList();
		}
		return historyList;
	}

	public String search(String filter, boolean isRequest) {
		String result = "";
		Session session = getModel().getSession();
		Pattern pattern = Pattern.compile(filter, Pattern.MULTILINE
				| Pattern.CASE_INSENSITIVE);
		Matcher matcher = null;

		getHistoryList();
		synchronized (historyList) {
			try {
				List<Integer> list = getModel().getDb().getTableHistory().getHistoryList(session.getSessionId(),HistoryReference.TYPE_MANUAL, filter, isRequest);
				int last = list.size();
				for (int index = 0; index < last; index++) {
					int v = ((Integer) (list.get(index))).intValue();
					try {
						HttpMessage message = getModel().getDb().getTableHistory().read(v).getHttpMessage();

						if (isRequest) {
							matcher = pattern.matcher(message.getRequestHeader().toString()
									+ message.getRequestBody().toString());
						} else {
							matcher = pattern.matcher(message.getResponseHeader().toString()
									+ message.getResponseBody().toString());
						}
						while (matcher.find()) {
							if (result.indexOf(matcher.group(0)) == -1) {
								result += "\r\n" + matcher.group(0);
							}
						}

					} catch (HttpMalformedHeaderException e1) {
						e1.printStackTrace();
					}
				}
			} catch (SQLException e) {
			}

			getView().getOutputPanel().append(result);
		}
		return result;
	}
}
